bench: Fix render

scripts/run_bench_update.sh

@@ -87,7 +87,8 @@ if (entries.length === 0) {
   process.exit(0);
 }
 
-// Sort chronologically, deduplicate by tag (latest wins)
+// Sort chronologically, deduplicate by tag (latest wins),
+// then order the resulting series by git tag.
 entries.sort((a, b) => a.timestamp.localeCompare(b.timestamp));
 const byTag = new Map();
 for (const e of entries) {
@@ -95,6 +96,22 @@ for (const e of entries) {
 }
 const deduped = [...byTag.values()];
 
+function parseSemverTag(tag) {
+  const match = /^v?(\d+)\.(\d+)\.(\d+)$/.exec(tag);
+  return match ? match.slice(1).map(Number) : null;
+}
+
+deduped.sort((a, b) => {
+  const aTag = parseSemverTag(a.git_tag);
+  const bTag = parseSemverTag(b.git_tag);
+
+  if (aTag && bTag) {
+    return aTag[0] - bTag[0] || aTag[1] - bTag[1] || aTag[2] - bTag[2];
+  }
+
+  return a.git_tag.localeCompare(b.git_tag, undefined, { numeric: true });
+});
+
 // Determine which non-parrhesia servers are present
 const baselineServerNames = ["strfry", "nostr-rs-relay"];
 const presentBaselines = baselineServerNames.filter(srv =>
@@ -215,13 +232,22 @@ const fs = require("node:fs");
 const [, , entryJson, readmePath] = process.argv;
 
 const entry = JSON.parse(entryJson);
-const { versions, ...servers } = entry;
+const servers = entry.servers || {};
 
 const pg = servers["parrhesia-pg"];
 const mem = servers["parrhesia-memory"];
 const strfry = servers["strfry"];
 const nostrRs = servers["nostr-rs-relay"];
 
+if (!pg || !mem) {
+  const present = Object.keys(servers).sort().join(", ") || "(none)";
+  console.error(
+    "Latest benchmark entry must include parrhesia-pg and parrhesia-memory. Present servers: " +
+      present
+  );
+  process.exit(1);
+}
+
 function toFixed(v, d = 2) {
   return Number.isFinite(v) ? v.toFixed(d) : "n/a";
 }